********************************************************************** * * * I E R S B U L L E T I N - A * * * * Rapid Service/Prediction of Earth Orientation * ********************************************************************** 18 November 2021 Vol. XXXIV No. 046 ______________________________________________________________________ GENERAL INFORMATION: To receive this information electronically, contact: ser7@maia.usno.navy.mil or use MJD = Julian Date - 2 400 000.5 days UT2-UT1 = 0.022 sin(2*pi*T) - 0.012 cos(2*pi*T) - 0.006 sin(4*pi*T) + 0.007 cos(4*pi*T) where pi = 3.14159265... and T is the date in Besselian years. TT = TAI + 32.184 seconds DUT1= (UT1-UTC) transmitted with time signals = -0.1 seconds beginning 17 July 2021 at 0000 UTC Beginning 1 January 2017: TAI-UTC = 37.000 000 seconds *********************************************************************** * * * There will NOT be a leap second introduced * * in UTC at the end of Dec 2021 * * * * The US Naval Observatory's Rapid Service/Prediction Center website * * (maia.usno.navy.mil) must undergo modernization and has been * * offline since 24 October 2019. The expected completion of work and * * return of service will be no earlier than Summer of 2021. * * * * Although the Bulletin A makes several references to maia, the * * paragraph above supersedes any information contained in the * * Bulletin A text. * * * * Updated EOPs are available at NASA's Archive of Space Geodesy Data: * * https://cddis.nasa.gov/archive/products/iers * * ftps://gdc.cddis.eosdis.nasa.gov/products/iers * * Daily EOP data may be available here by 18:00 UTC, and Bulletin A * * EOP data may be available by 20:00 UTC. * * For additional information on accessing CDDIS, please refer to: * * https://cddis.nasa.gov/About/CDDIS_File_Download_FAQ.html * * * * Updated EOPs may also be available at IERS: * * https://datacenter.iers.org/eop.php * * EOP data files are uploaded directly from USNO to this site each * * day. For further information, contact the IERS directly. * * * * Users should verify results obtained from these sites; we cannot * * guarantee the integrity or timeliness of files provided at * * third-party sites. * * * * Questions and enquiries about EOPs can be emailed to the * * following address: * * usn.ncr.navobsydc.mbx.eopcp@mail.mil * * Due to ongoing email issues, please CC * * navobsy_eop.fct@navy.mil * * until further notice. * * * * Starting on the 18 Nov 2021, new versions of the USNO VLBI * * solutions (usn2021c.eoxy and usn2021c.eopi) are being used. * * The effect appears to be less than 0.1 mas in polar motion and * * 10 us in UT1-UTC. * * * * Distribution statement A. * * Approved for public release: distribution unlimited. * * * *********************************************************************** ________________________________________________________________________ The contributed observations used in the preparation of this Bulletin are available at . The contributed analysis results are based on data from Very Long Baseline Interferometry (VLBI), Satellite Laser Ranging (SLR), the Global Positioning System (GPS) satellites, Lunar Laser Ranging (LLR), and meteorological predictions of variations in Atmospheric Angular Momentum (AAM). ________________________________________________________________________ COMBINED EARTH ORIENTATION PARAMETERS: IERS Rapid Service MJD x error y error UT1-UTC error " " " " s s 21 11 12 59530 0.14852 .00009 0.24659 .00009 -0.106946 0.000014 21 11 13 59531 0.14774 .00009 0.24648 .00009 -0.107249 0.000016 21 11 14 59532 0.14695 .00009 0.24644 .00009 -0.107641 0.000014 21 11 15 59533 0.14563 .00009 0.24631 .00009 -0.108004 0.000010 21 11 16 59534 0.14361 .00009 0.24596 .00009 -0.108268 0.000010 21 11 17 59535 0.14152 .00009 0.24546 .00009 -0.108455 0.000009 21 11 18 59536 0.13974 .00009 0.24510 .00009 -0.108526 0.000055 _______________________________________________________________________ PREDICTIONS: The following formulas will not reproduce the predictions given below, but may be used to extend the predictions beyond the end of this table. x = 0.1471 + 0.0368 cos A - 0.1033 sin A - 0.0408 cos C - 0.0194 sin C y = 0.3549 - 0.0904 cos A - 0.0403 sin A - 0.0194 cos C + 0.0408 sin C UT1-UTC = -0.1168 + 0.00021 (MJD - 59544) - (UT2-UT1) where A = 2*pi*(MJD-59536)/365.25 and C = 2*pi*(MJD-59536)/435. TAI-UTC(MJD 59537) = 37.0 The accuracy may be estimated from the expressions: S x,y = 0.00068 (MJD-59536)**0.80 S t = 0.00025 (MJD-59536)**0.75 Estimated accuracies are: Predictions 10 d 20 d 30 d 40 d Polar coord's 0.004 0.007 0.010 0.013 UT1-UTC 0.0014 0.0024 0.0032 0.0040 MJD x(arcsec) y(arcsec) UT1-UTC(sec) 2021 11 19 59537 0.1380 0.2449 -0.10844 2021 11 20 59538 0.1362 0.2448 -0.10816 2021 11 21 59539 0.1345 0.2447 -0.10772 2021 11 22 59540 0.1327 0.2448 -0.10718 2021 11 23 59541 0.1308 0.2448 -0.10658 2021 11 24 59542 0.1289 0.2449 -0.10597 2021 11 25 59543 0.1270 0.2449 -0.10541 2021 11 26 59544 0.1251 0.2450 -0.10498 2021 11 27 59545 0.1233 0.2451 -0.10473 2021 11 28 59546 0.1215 0.2452 -0.10472 2021 11 29 59547 0.1195 0.2455 -0.10494 2021 11 30 59548 0.1175 0.2457 -0.10533 2021 12 1 59549 0.1155 0.2460 -0.10580 2021 12 2 59550 0.1135 0.2463 -0.10625 2021 12 3 59551 0.1114 0.2466 -0.10657 2021 12 4 59552 0.1094 0.2470 -0.10665 2021 12 5 59553 0.1075 0.2474 -0.10649 2021 12 6 59554 0.1056 0.2478 -0.10614 2021 12 7 59555 0.1036 0.2483 -0.10573 2021 12 8 59556 0.1017 0.2488 -0.10540 2021 12 9 59557 0.0998 0.2493 -0.10522 2021 12 10 59558 0.0979 0.2499 -0.10521 2021 12 11 59559 0.0960 0.2504 -0.10533 2021 12 12 59560 0.0940 0.2510 -0.10551 2021 12 13 59561 0.0922 0.2516 -0.10569 2021 12 14 59562 0.0903 0.2523 -0.10580 2021 12 15 59563 0.0884 0.2530 -0.10580 2021 12 16 59564 0.0866 0.2537 -0.10563 2021 12 17 59565 0.0847 0.2544 -0.10529 2021 12 18 59566 0.0829 0.2552 -0.10477 2021 12 19 59567 0.0811 0.2560 -0.10412 2021 12 20 59568 0.0793 0.2568 -0.10337 2021 12 21 59569 0.0775 0.2576 -0.10260 2021 12 22 59570 0.0758 0.2585 -0.10187 2021 12 23 59571 0.0741 0.2594 -0.10123 2021 12 24 59572 0.0723 0.2603 -0.10076 2021 12 25 59573 0.0706 0.2613 -0.10048 2021 12 26 59574 0.0689 0.2622 -0.10042 2021 12 27 59575 0.0672 0.2632 -0.10054 2021 12 28 59576 0.0656 0.2643 -0.10078 2021 12 29 59577 0.0639 0.2653 -0.10102 2021 12 30 59578 0.0623 0.2664 -0.10116 2021 12 31 59579 0.0607 0.2675 -0.10109 2022 1 1 59580 0.0591 0.2686 -0.10076 2022 1 2 59581 0.0575 0.2698 -0.10024 2022 1 3 59582 0.0560 0.2710 -0.09962 2022 1 4 59583 0.0544 0.2722 -0.09904 2022 1 5 59584 0.0529 0.2734 -0.09860 2022 1 6 59585 0.0514 0.2746 -0.09836 2022 1 7 59586 0.0499 0.2759 -0.09830 2022 1 8 59587 0.0485 0.2772 -0.09836 2022 1 9 59588 0.0471 0.2785 -0.09844 2022 1 10 59589 0.0456 0.2799 -0.09847 2022 1 11 59590 0.0443 0.2812 -0.09839 2022 1 12 59591 0.0429 0.2826 -0.09815 2022 1 13 59592 0.0416 0.2840 -0.09775 2022 1 14 59593 0.0403 0.2855 -0.09718 2022 1 15 59594 0.0390 0.2869 -0.09647 2022 1 16 59595 0.0377 0.2884 -0.09567 2022 1 17 59596 0.0365 0.2899 -0.09483 2022 1 18 59597 0.0353 0.2914 -0.09405 2022 1 19 59598 0.0341 0.2929 -0.09337 2022 1 20 59599 0.0329 0.2945 -0.09288 2022 1 21 59600 0.0318 0.2960 -0.09260 2022 1 22 59601 0.0307 0.2976 -0.09256 2022 1 23 59602 0.0296 0.2992 -0.09271 2022 1 24 59603 0.0286 0.3008 -0.09299 2022 1 25 59604 0.0275 0.3025 -0.09332 2022 1 26 59605 0.0265 0.3041 -0.09359 2022 1 27 59606 0.0256 0.3058 -0.09371 2022 1 28 59607 0.0246 0.3075 -0.09363 2022 1 29 59608 0.0237 0.3092 -0.09336 2022 1 30 59609 0.0229 0.3109 -0.09299 2022 1 31 59610 0.0220 0.3126 -0.09263 2022 2 1 59611 0.0212 0.3143 -0.09241 2022 2 2 59612 0.0204 0.3161 -0.09240 2022 2 3 59613 0.0197 0.3179 -0.09261 2022 2 4 59614 0.0189 0.3196 -0.09299 2022 2 5 59615 0.0183 0.3214 -0.09344 2022 2 6 59616 0.0176 0.3232 -0.09388 2022 2 7 59617 0.0170 0.3250 -0.09421 2022 2 8 59618 0.0164 0.3268 -0.09439 2022 2 9 59619 0.0158 0.3287 -0.09440 2022 2 10 59620 0.0153 0.3305 -0.09422 2022 2 11 59621 0.0148 0.3324 -0.09390 2022 2 12 59622 0.0143 0.3342 -0.09346 2022 2 13 59623 0.0139 0.3361 -0.09299 2022 2 14 59624 0.0135 0.3380 -0.09254 2022 2 15 59625 0.0131 0.3398 -0.09220 2022 2 16 59626 0.0128 0.3417 -0.09203 2022 2 17 59627 0.0125 0.3436 -0.09208 2022 2 18 59628 0.0122 0.3455 -0.09236 2022 2 19 59629 0.0120 0.3474 -0.09285 2022 2 20 59630 0.0118 0.3493 -0.09348 2022 2 21 59631 0.0116 0.3512 -0.09416 2022 2 22 59632 0.0115 0.3531 -0.09478 2022 2 23 59633 0.0114 0.3550 -0.09524 2022 2 24 59634 0.0113 0.3570 -0.09550 2022 2 25 59635 0.0113 0.3589 -0.09556 2022 2 26 59636 0.0113 0.3608 -0.09549 2022 2 27 59637 0.0113 0.3627 -0.09539 2022 2 28 59638 0.0114 0.3646 -0.09538 2022 3 1 59639 0.0115 0.3665 -0.09557 2022 3 2 59640 0.0116 0.3685 -0.09601 2022 3 3 59641 0.0118 0.3704 -0.09666 2022 3 4 59642 0.0120 0.3723 -0.09744 2022 3 5 59643 0.0122 0.3742 -0.09826 2022 3 6 59644 0.0125 0.3761 -0.09902 2022 3 7 59645 0.0128 0.3780 -0.09955 2022 3 8 59646 0.0131 0.3799 -0.09990 2022 3 9 59647 0.0135 0.3818 -0.10006 2022 3 10 59648 0.0139 0.3837 -0.10005 2022 3 11 59649 0.0143 0.3856 -0.09991 2022 3 12 59650 0.0148 0.3875 -0.09970 2022 3 13 59651 0.0153 0.3893 -0.09949 2022 3 14 59652 0.0158 0.3912 -0.09935 2022 3 15 59653 0.0164 0.3931 -0.09936 2022 3 16 59654 0.0170 0.3949 -0.09957 2022 3 17 59655 0.0177 0.3967 -0.10003 2022 3 18 59656 0.0183 0.3986 -0.10071 2022 3 19 59657 0.0190 0.4004 -0.10157 2022 3 20 59658 0.0198 0.4022 -0.10250 2022 3 21 59659 0.0205 0.4040 -0.10338 2022 3 22 59660 0.0213 0.4058 -0.10410 2022 3 23 59661 0.0222 0.4076 -0.10459 2022 3 24 59662 0.0230 0.4093 -0.10485 2022 3 25 59663 0.0239 0.4111 -0.10494 2022 3 26 59664 0.0248 0.4128 -0.10495 2022 3 27 59665 0.0258 0.4145 -0.10500 2022 3 28 59666 0.0268 0.4163 -0.10521 2022 3 29 59667 0.0278 0.4179 -0.10562 2022 3 30 59668 0.0288 0.4196 -0.10625 2022 3 31 59669 0.0299 0.4213 -0.10705 2022 4 1 59670 0.0310 0.4229 -0.10791 2022 4 2 59671 0.0322 0.4246 -0.10874 2022 4 3 59672 0.0333 0.4262 -0.10946 2022 4 4 59673 0.0345 0.4278 -0.11000 2022 4 5 59674 0.0357 0.4294 -0.11034 2022 4 6 59675 0.0370 0.4309 -0.11047 2022 4 7 59676 0.0383 0.4325 -0.11045 2022 4 8 59677 0.0396 0.4340 -0.11032 2022 4 9 59678 0.0409 0.4355 -0.11014 2022 4 10 59679 0.0423 0.4370 -0.11001 2022 4 11 59680 0.0436 0.4385 -0.10998 2022 4 12 59681 0.0450 0.4399 -0.11012 2022 4 13 59682 0.0465 0.4413 -0.11048 2022 4 14 59683 0.0479 0.4427 -0.11107 2022 4 15 59684 0.0494 0.4441 -0.11187 2022 4 16 59685 0.0509 0.4455 -0.11278 2022 4 17 59686 0.0525 0.4468 -0.11370 2022 4 18 59687 0.0540 0.4481 -0.11447 2022 4 19 59688 0.0556 0.4494 -0.11501 2022 4 20 59689 0.0572 0.4507 -0.11527 2022 4 21 59690 0.0588 0.4519 -0.11531 2022 4 22 59691 0.0605 0.4531 -0.11522 2022 4 23 59692 0.0621 0.4543 -0.11513 2022 4 24 59693 0.0638 0.4555 -0.11514 2022 4 25 59694 0.0655 0.4566 -0.11532 2022 4 26 59695 0.0673 0.4577 -0.11570 2022 4 27 59696 0.0690 0.4588 -0.11623 2022 4 28 59697 0.0708 0.4599 -0.11684 2022 4 29 59698 0.0726 0.4609 -0.11744 2022 4 30 59699 0.0744 0.4619 -0.11794 2022 5 1 59700 0.0762 0.4629 -0.11828 2022 5 2 59701 0.0780 0.4639 -0.11842 2022 5 3 59702 0.0799 0.4648 -0.11834 2022 5 4 59703 0.0818 0.4657 -0.11807 2022 5 5 59704 0.0837 0.4665 -0.11766 2022 5 6 59705 0.0856 0.4674 -0.11718 2022 5 7 59706 0.0875 0.4682 -0.11669 2022 5 8 59707 0.0894 0.4690 -0.11627 2022 5 9 59708 0.0914 0.4697 -0.11598 2022 5 10 59709 0.0933 0.4705 -0.11589 2022 5 11 59710 0.0953 0.4712 -0.11600 2022 5 12 59711 0.0973 0.4718 -0.11633 2022 5 13 59712 0.0993 0.4724 -0.11683 2022 5 14 59713 0.1013 0.4731 -0.11738 2022 5 15 59714 0.1033 0.4736 -0.11787 2022 5 16 59715 0.1053 0.4742 -0.11817 2022 5 17 59716 0.1074 0.4747 -0.11821 2022 5 18 59717 0.1094 0.4752 -0.11800 2022 5 19 59718 0.1115 0.4756 -0.11763 2022 5 20 59719 0.1135 0.4760 -0.11723 2022 5 21 59720 0.1156 0.4764 -0.11694 2022 5 22 59721 0.1177 0.4768 -0.11683 2022 5 23 59722 0.1197 0.4771 -0.11694 2022 5 24 59723 0.1218 0.4774 -0.11725 2022 5 25 59724 0.1239 0.4777 -0.11766 2022 5 26 59725 0.1260 0.4779 -0.11810 2022 5 27 59726 0.1281 0.4781 -0.11846 2022 5 28 59727 0.1302 0.4783 -0.11867 2022 5 29 59728 0.1323 0.4784 -0.11867 2022 5 30 59729 0.1344 0.4785 -0.11842 2022 5 31 59730 0.1365 0.4786 -0.11796 2022 6 1 59731 0.1386 0.4786 -0.11732 2022 6 2 59732 0.1407 0.4786 -0.11658 2022 6 3 59733 0.1428 0.4786 -0.11582 2022 6 4 59734 0.1450 0.4785 -0.11512 2022 6 5 59735 0.1471 0.4784 -0.11453 2022 6 6 59736 0.1492 0.4783 -0.11411 2022 6 7 59737 0.1513 0.4782 -0.11388 2022 6 8 59738 0.1534 0.4780 -0.11383 2022 6 9 59739 0.1555 0.4778 -0.11394 2022 6 10 59740 0.1575 0.4775 -0.11414 2022 6 11 59741 0.1596 0.4772 -0.11431 2022 6 12 59742 0.1617 0.4769 -0.11431 2022 6 13 59743 0.1638 0.4766 -0.11405 2022 6 14 59744 0.1658 0.4762 -0.11347 2022 6 15 59745 0.1679 0.4758 -0.11262 2022 6 16 59746 0.1700 0.4754 -0.11161 2022 6 17 59747 0.1720 0.4749 -0.11059 2022 6 18 59748 0.1740 0.4744 -0.10968 2022 6 19 59749 0.1761 0.4739 -0.10894 2022 6 20 59750 0.1781 0.4733 -0.10835 2022 6 21 59751 0.1801 0.4727 -0.10784 2022 6 22 59752 0.1821 0.4721 -0.10735 2022 6 23 59753 0.1840 0.4715 -0.10681 2022 6 24 59754 0.1860 0.4708 -0.10618 2022 6 25 59755 0.1880 0.4701 -0.10539 2022 6 26 59756 0.1899 0.4693 -0.10443 2022 6 27 59757 0.1918 0.4686 -0.10330 2022 6 28 59758 0.1937 0.4678 -0.10200 2022 6 29 59759 0.1956 0.4669 -0.10051 2022 6 30 59760 0.1975 0.4661 -0.09895 2022 7 1 59761 0.1994 0.4652 -0.09747 2022 7 2 59762 0.2013 0.4643 -0.09618 2022 7 3 59763 0.2031 0.4633 -0.09503 2022 7 4 59764 0.2049 0.4624 -0.09408 2022 7 5 59765 0.2067 0.4614 -0.09337 2022 7 6 59766 0.2085 0.4603 -0.09278 2022 7 7 59767 0.2102 0.4593 -0.09231 2022 7 8 59768 0.2120 0.4582 -0.09183 2022 7 9 59769 0.2137 0.4571 -0.09125 2022 7 10 59770 0.2154 0.4560 -0.09045 2022 7 11 59771 0.2171 0.4548 -0.08939 2022 7 12 59772 0.2188 0.4536 -0.08806 2022 7 13 59773 0.2204 0.4524 -0.08664 2022 7 14 59774 0.2220 0.4512 -0.08522 2022 7 15 59775 0.2236 0.4499 -0.08392 2022 7 16 59776 0.2252 0.4487 -0.08290 2022 7 17 59777 0.2267 0.4474 -0.08210 2022 7 18 59778 0.2282 0.4460 -0.08151 2022 7 19 59779 0.2297 0.4447 -0.08093 2022 7 20 59780 0.2312 0.4433 -0.08020 2022 7 21 59781 0.2327 0.4419 -0.07930 2022 7 22 59782 0.2341 0.4405 -0.07820 2022 7 23 59783 0.2355 0.4391 -0.07684 2022 7 24 59784 0.2369 0.4376 -0.07526 2022 7 25 59785 0.2382 0.4361 -0.07347 2022 7 26 59786 0.2395 0.4346 -0.07156 2022 7 27 59787 0.2408 0.4331 -0.06962 2022 7 28 59788 0.2421 0.4316 -0.06767 2022 7 29 59789 0.2433 0.4300 -0.06587 2022 7 30 59790 0.2445 0.4284 -0.06424 2022 7 31 59791 0.2457 0.4268 -0.06283 2022 8 1 59792 0.2468 0.4252 -0.06163 2022 8 2 59793 0.2480 0.4236 -0.06063 2022 8 3 59794 0.2490 0.4220 -0.05973 2022 8 4 59795 0.2501 0.4203 -0.05881 2022 8 5 59796 0.2511 0.4186 -0.05782 2022 8 6 59797 0.2521 0.4169 -0.05673 2022 8 7 59798 0.2531 0.4152 -0.05542 2022 8 8 59799 0.2540 0.4135 -0.05393 2022 8 9 59800 0.2549 0.4118 -0.05237 2022 8 10 59801 0.2558 0.4100 -0.05082 2022 8 11 59802 0.2567 0.4083 -0.04941 2022 8 12 59803 0.2575 0.4065 -0.04822 2022 8 13 59804 0.2582 0.4047 -0.04729 2022 8 14 59805 0.2590 0.4029 -0.04661 2022 8 15 59806 0.2597 0.4011 -0.04607 2022 8 16 59807 0.2604 0.3993 -0.04555 2022 8 17 59808 0.2610 0.3974 -0.04495 2022 8 18 59809 0.2616 0.3956 -0.04417 2022 8 19 59810 0.2622 0.3938 -0.04317 2022 8 20 59811 0.2628 0.3919 -0.04201 2022 8 21 59812 0.2633 0.3900 -0.04069 2022 8 22 59813 0.2638 0.3882 -0.03915 2022 8 23 59814 0.2642 0.3863 -0.03755 2022 8 24 59815 0.2646 0.3844 -0.03596 2022 8 25 59816 0.2650 0.3825 -0.03444 2022 8 26 59817 0.2653 0.3806 -0.03308 2022 8 27 59818 0.2656 0.3787 -0.03193 2022 8 28 59819 0.2659 0.3768 -0.03097 2022 8 29 59820 0.2661 0.3749 -0.03019 2022 8 30 59821 0.2664 0.3730 -0.02962 2022 8 31 59822 0.2665 0.3711 -0.02916 2022 9 1 59823 0.2667 0.3692 -0.02875 2022 9 2 59824 0.2668 0.3673 -0.02832 2022 9 3 59825 0.2668 0.3653 -0.02777 2022 9 4 59826 0.2669 0.3634 -0.02711 2022 9 5 59827 0.2669 0.3615 -0.02638 2022 9 6 59828 0.2668 0.3596 -0.02563 2022 9 7 59829 0.2667 0.3577 -0.02502 2022 9 8 59830 0.2666 0.3558 -0.02461 2022 9 9 59831 0.2665 0.3538 -0.02446 2022 9 10 59832 0.2663 0.3519 -0.02457 2022 9 11 59833 0.2661 0.3500 -0.02489 2022 9 12 59834 0.2659 0.3481 -0.02530 2022 9 13 59835 0.2656 0.3462 -0.02561 2022 9 14 59836 0.2653 0.3443 -0.02573 2022 9 15 59837 0.2649 0.3424 -0.02563 2022 9 16 59838 0.2645 0.3406 -0.02530 2022 9 17 59839 0.2641 0.3387 -0.02478 2022 9 18 59840 0.2637 0.3368 -0.02413 2022 9 19 59841 0.2632 0.3350 -0.02340 2022 9 20 59842 0.2627 0.3331 -0.02263 2022 9 21 59843 0.2621 0.3313 -0.02187 2022 9 22 59844 0.2616 0.3294 -0.02118 2022 9 23 59845 0.2609 0.3276 -0.02070 2022 9 24 59846 0.2603 0.3258 -0.02046 2022 9 25 59847 0.2596 0.3240 -0.02034 2022 9 26 59848 0.2589 0.3222 -0.02033 2022 9 27 59849 0.2582 0.3204 -0.02045 2022 9 28 59850 0.2574 0.3186 -0.02058 2022 9 29 59851 0.2566 0.3169 -0.02060 2022 9 30 59852 0.2557 0.3151 -0.02046 2022 10 1 59853 0.2549 0.3134 -0.02002 2022 10 2 59854 0.2540 0.3117 -0.01939 2022 10 3 59855 0.2530 0.3100 -0.01867 2022 10 4 59856 0.2521 0.3083 -0.01796 2022 10 5 59857 0.2511 0.3066 -0.01743 2022 10 6 59858 0.2500 0.3050 -0.01714 2022 10 7 59859 0.2490 0.3034 -0.01711 2022 10 8 59860 0.2479 0.3017 -0.01744 2022 10 9 59861 0.2468 0.3001 -0.01791 2022 10 10 59862 0.2457 0.2985 -0.01840 2022 10 11 59863 0.2445 0.2970 -0.01876 2022 10 12 59864 0.2433 0.2954 -0.01887 2022 10 13 59865 0.2421 0.2939 -0.01871 2022 10 14 59866 0.2408 0.2924 -0.01836 2022 10 15 59867 0.2395 0.2909 -0.01787 2022 10 16 59868 0.2382 0.2894 -0.01725 2022 10 17 59869 0.2369 0.2880 -0.01658 2022 10 18 59870 0.2356 0.2865 -0.01595 2022 10 19 59871 0.2342 0.2851 -0.01545 2022 10 20 59872 0.2328 0.2837 -0.01514 2022 10 21 59873 0.2313 0.2824 -0.01506 2022 10 22 59874 0.2299 0.2810 -0.01520 2022 10 23 59875 0.2284 0.2797 -0.01558 2022 10 24 59876 0.2269 0.2784 -0.01613 2022 10 25 59877 0.2254 0.2772 -0.01671 2022 10 26 59878 0.2238 0.2759 -0.01717 2022 10 27 59879 0.2223 0.2747 -0.01745 2022 10 28 59880 0.2207 0.2735 -0.01752 2022 10 29 59881 0.2191 0.2723 -0.01739 2022 10 30 59882 0.2174 0.2712 -0.01713 2022 10 31 59883 0.2158 0.2701 -0.01692 2022 11 1 59884 0.2141 0.2690 -0.01678 2022 11 2 59885 0.2124 0.2679 -0.01679 2022 11 3 59886 0.2107 0.2669 -0.01700 2022 11 4 59887 0.2090 0.2658 -0.01740 2022 11 5 59888 0.2072 0.2649 -0.01795 2022 11 6 59889 0.2055 0.2639 -0.01846 2022 11 7 59890 0.2037 0.2630 -0.01893 2022 11 8 59891 0.2019 0.2621 -0.01926 2022 11 9 59892 0.2001 0.2612 -0.01938 2022 11 10 59893 0.1983 0.2603 -0.01925 2022 11 11 59894 0.1964 0.2595 -0.01894 2022 11 12 59895 0.1946 0.2587 -0.01857 2022 11 13 59896 0.1927 0.2580 -0.01813 2022 11 14 59897 0.1908 0.2572 -0.01775 2022 11 15 59898 0.1889 0.2565 -0.01747 2022 11 16 59899 0.1870 0.2559 -0.01734 2022 11 17 59900 0.1851 0.2552 -0.01740 2022 11 18 59901 0.1832 0.2546 -0.01760 These predictions are based on all announced leap seconds. CELESTIAL POLE OFFSET SERIES: NEOS Celestial Pole Offset Series MJD dpsi error deps error (msec. of arc) 59514 -114.75 0.68 -8.04 0.05 59515 -114.54 0.68 -8.09 0.05 59516 -114.07 0.68 -8.00 0.05 59517 -113.56 0.70 -7.78 0.12 59518 -113.35 0.70 -7.55 0.12 59519 -113.52 0.72 -7.40 0.10 59520 -113.81 0.74 -7.26 0.06 59521 -113.98 0.74 -7.07 0.06 IAU2000A Celestial Pole Offset Series MJD dX error dY error (msec. of arc) 59514 0.270 0.269 -0.049 0.052 59515 0.272 0.269 -0.050 0.052 59516 0.275 0.269 -0.055 0.052 59517 0.279 0.279 -0.059 0.119 59518 0.282 0.279 -0.061 0.119 59519 0.286 0.286 -0.063 0.098 59520 0.290 0.296 -0.063 0.056 59521 0.294 0.296 -0.064 0.056 The recommended software to predict celestial pole offsets can be found at and software for the calculation of the dX and dY components with respect to IAU2000A Nutation/Precession Theory can be found at the web site in Chapter 5 Section 5.5 of the IERS Conventions (2010).